Outside the Web: Emscripten Now Generating Standalone WebAssembly Binaries — A key part of both asm.js...

Outside the Web: Emscripten Now Generating Standalone WebAssembly Binaries — A key part of both asm.js and Emscripten was the idea of compiling binaries for use on the Web using JavaScript, but now Emscripten has support for emitting WebAssembly without relying on JavaScript at all. You can, of course, interact with such output from your JavaScript code, though.